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ZOGENIX INC
ZOGENIX INC. Institutional holdings reported to the SEC.

Institutional Holders (2016Q3)
Portfolio Summary: 4 Institutional holders with a total value of $4,466,000.
#
Manager Name
Shares
Value ($)
%
Options
Notes
1 SABBY MANAGEMENT, LLC 1,228 3,265,000 73.11% Call
2 GROUP ONE TRADING LLC 71,600 818,000 18.32% Call
3 BLAIR WILLIAM & CO/IL 29,600 338,000 7.57% Call
4 SIMPLEX TRADING, LLC 215 45,000 1.01% Call

From 2023-01-03 onward, the SEC requires values to be reported in nearest dollars. Earlier filings reported values in thousands; therefore, positions shown as $0 in older filings may represent actual values between $0–$999.